Forum Discussion
hooleylist
Mar 21, 2012Cirrostratus
Hi Sly,
I can't think of a reason you couldn't have clients query GTM directly. You'd just configure them with a listener IP that the GTMs answer on. GTM in v11.1 supports anycast:
GTM 11.1 release notes
http://support.f5.com/kb/en-us/products/big-ip_gtm/releasenotes/product/relnote-gtm-lc-11-1-0.htmlrn_new
IP Anycast
This release provides support for IP Anycast for DNS services on BIG-IP GTM. This configuration helps mitigate distributed denial-of-service attacks (DDoS), reduce DNS latency, improve the scalability of your network, and assist with global traffic management.
Configuring IP Anycast Route Health Injection
http://support.f5.com/kb/en-us/products/big-ip_gtm/manuals/product/gtm-implementations-11-1-0/11.html
Aaron